Basic College Mathematics (9th Edition)

by
Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by
Pearson

ISBN 10:
0321825535

ISBN 13:
978-0-32182-553-7

Chapter 10 - Statistics - 10.1 Circle Graphs - 10.1 Exercises: 23

Answer

1027 people

Work Step by Step

Need the car to go 400 miles or more = 34%
the percent equation. part = percent * whole
Total number of people are 3021 so the whole is 3021
The percent is 34 % or, as a decimal, 0.34 . Find the part.
Part = percent * whole
= 0.34 * 3021
= 1027 people